![]() The fifteen square sails are set between the yards in such a way that when deployed there are no gaps in the sail plan of each mast, enabling them to act as a single airfoil. Each of Maltese Falcon 's masts supports six yards, which, unlike a conventional square rigger, have built-in camber of 12%. ![]() ![]() The DynaRig consists of freestanding rotating masts with rigid yards and acts as a square rig. The DynaRig owes its origin to Wilhelm Prölss' research in the 1960s. Exhaustive finite element analysis and carbon fiber testing were carried out to ensure that the complete assembly would sustain the loads under sail. The design, testing and manufacturing of the system was completed over a three-year period. was responsible for designing and manufacturing the DynaRig of Maltese Falcon at the Perini Navi premises in Tuzla, Istanbul. On 4 November 2007, in a 60 Minutes profile, Perkins suggested the yacht cost more than $150 million but less than $300 million, refusing to be more specific. In a radio interview for the BBC World Service's Global Business programme broadcast in December 2007, Perkins claimed that he personally wrote some of the yacht's unique control software. An operator must always activate the controls, yet it is possible for a single person to operate the yacht. The yacht's sophisticated computer detects parameters such as wind speed automatically and displays key data. The yacht is easily controlled and has been seen to sail off her anchor and away from berths within harbors. Ken Freivokh designed the vessel's interior decoration, and Perini Navi fitted her out. The three self-standing rotating carbonfiber masts were not a Perini Navi deliverable they were manufactured and fitted to the yacht at the Perini Navi premises in Tuzla under the direct responsibility of Perkins and the supervision of Insensys, Ltd, a British carbonfiber specialist. The " DynaRig" concept, a 1960s invention by German hydraulics engineer Wilhelm Prölss intended to operate cargo ships with a fuel-saving philosophy and as few crew as possible, met with Perkins' approval, and the project was signed into build in Tuzla. In 2001 he hired Dutch yacht designers at Dykstra Naval Architects to investigate 19th-century clippers and propose a three-mast square rig for the project. Tom Perkins, a keen yachtsman and the owner of the two Andromeda La Dea Perini ketches, took an interest in the hull. The bare hull was built and launched on speculation in 1989-1990 by Perini Navi at its newly acquired shipyard in Tuzla, Istanbul, but found no takers in the aftermath of the Gulf War. The vessel dropped its BVI flag in 2008 and was purchased by Pleon Ltd, which put it to charter use. She is one of the world's most complex and largest sailing yachts at 88 m (289 ft), similar in size to the Athena and Eos. Maltese Falcon is a full-rigged ship using DynaRig technology, which was built by Perini Navi in Tuzla, Istanbul, and commissioned by her first owner, Tom Perkins.
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